[source] base-files: configure switch in failsafe

[LEDE Commits]

jogo pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=6c9588ddf58ba1417cb92ee44d91c11bb77a7038

commit 6c9588ddf58ba1417cb92ee44d91c11bb77a7038
Author: Jonas Gorski <jonas.gorski at gmail.com>
AuthorDate: Fri Jul 29 00:25:09 2016 +0200

    base-files: configure switch in failsafe
    
    Also configure the switch based on the failsafe config, and create the
    failsafe interface as tagged if necessary.
    
    Signed-off-by: Jonas Gorski <jonas.gorski at gmail.com>
---
 .../files/lib/preinit/10_indicate_preinit          | 48 +++++++++++++++++++++-
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/package/base-files/files/lib/preinit/10_indicate_preinit b/package/base-files/files/lib/preinit/10_indicate_preinit
index 33e90b1..82b730f 100644
--- a/package/base-files/files/lib/preinit/10_indicate_preinit
+++ b/package/base-files/files/lib/preinit/10_indicate_preinit
@@ -22,6 +22,41 @@ preinit_ip_config() {
 	ip -4 address add $pi_ip/$pi_netmask broadcast $pi_broadcast dev $1
 }
 
+preinit_config_switch() {
+	local role roles ports device enable reset
+
+	local name=$1
+	local lan_if=$2
+
+	json_select switch
+	json_select $name
+
+	json_get_vars enable reset
+
+	if json_is_a roles array; then
+		json_get_keys roles roles
+		json_select roles
+
+		for role in $roles; do
+			json_select "$role"
+			json_get_vars ports device
+			json_select ..
+
+			if [ "$device" = "$lan_if" ]; then
+				swconfig dev $name set reset $reset
+				swconfig dev $name set enable_vlan $enable
+				swconfig dev $name vlan $role set ports "$ports"
+				swconfig dev $name set apply
+			fi
+		done
+
+		json_select ..
+	fi
+
+	json_select ..
+	json_select ..
+}
+
 preinit_config_board() {
 	/bin/board_detect /tmp/board.json
 
@@ -43,8 +78,17 @@ preinit_config_board() {
 	# only use the first one
 	ifname=${ifname%% *}
 
-	# trim any vlan ids
-	ifname=${ifname%\.*}
+	if [ -x /sbin/swconfig ]; then
+		# configure the switch, if present
+
+		json_get_keys keys switch
+		for key in $keys; do
+			preinit_config_switch $key $ifname
+		done
+	else
+		# trim any vlan ids
+		ifname=${ifname%\.*}
+	fi
 
 	preinit_ip_config $ifname
 }